summaryrefslogtreecommitdiff
path: root/compiler/GHC/Types/Name/Env.hs
diff options
context:
space:
mode:
Diffstat (limited to 'compiler/GHC/Types/Name/Env.hs')
-rw-r--r--compiler/GHC/Types/Name/Env.hs2
1 files changed, 1 insertions, 1 deletions
diff --git a/compiler/GHC/Types/Name/Env.hs b/compiler/GHC/Types/Name/Env.hs
index 500c58043d..daa6e20fae 100644
--- a/compiler/GHC/Types/Name/Env.hs
+++ b/compiler/GHC/Types/Name/Env.hs
@@ -140,7 +140,7 @@ delFromNameEnv x y = delFromUFM x y
delListFromNameEnv x y = delListFromUFM x y
filterNameEnv x y = filterUFM x y
anyNameEnv f x = foldUFM ((||) . f) False x
-disjointNameEnv x y = isNullUFM (intersectUFM x y)
+disjointNameEnv x y = disjointUFM x y
lookupNameEnv_NF env n = expectJust "lookupNameEnv_NF" (lookupNameEnv env n)